Gemini 2.5 Pro Preview 06-05 vs Grok Code Fast 1
Compare Gemini 2.5 Pro Preview 06-05 by Google AI against Grok Code Fast 1 by xAI, in 3 community votes, gemini 2.5 pro preview 06-05 wins 100% of head-to-head duels, context windows of 1.0M vs 256K, tested across 44 shared challenges. Updated May 2026.
Which is better, Gemini 2.5 Pro Preview 06-05 or Grok Code Fast 1?
Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 100% of 3 blind community votes on Rival. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $0.2/M for Grok Code Fast 1. Context windows: 1049K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.5 Pro Preview 06-05 and Grok Code Fast 1
Gemini 2.5 Pro Preview 06-05 is made by google while Grok Code Fast 1 is from xai. Gemini 2.5 Pro Preview 06-05 has a 1049K token context window compared to Grok Code Fast 1's 256K. On pricing, Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens vs $0.2/M for Grok Code Fast 1. In community voting, In 3 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels.
In 3 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels. Gemini 2.5 Pro Preview 06-05 leads in Reasoning. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Per 1M tokens
Grok Code Fast 1 is cheaper on both — 6.3× input, 6.7× output
Pick Gemini 2.5 Pro Preview 06-05. In 3 blind votes, Gemini 2.5 Pro Preview 06-05 wins 100% of the time. That's not luck.
Gemini 2.5 Pro Preview 06-05 particularly excels in Reasoning. Grok Code Fast 1 is 6.7x cheaper per token — worth considering if cost matters.
Style Comparison
Grok Code Fast 1 uses 6.0x more emoji
